CN104766598A - Karaoke device based on WiFi audio-video access - Google Patents
Karaoke device based on WiFi audio-video access Download PDFInfo
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- CN104766598A CN104766598A CN201410004383.XA CN201410004383A CN104766598A CN 104766598 A CN104766598 A CN 104766598A CN 201410004383 A CN201410004383 A CN 201410004383A CN 104766598 A CN104766598 A CN 104766598A
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Abstract
The invention provides a karaoke device based on WiFi audio-video access. The WiFi audio-video access mainly comprises a power supply module, a processor CPU module, a memory, a microphone input module, an analog-to-digital conversion module, a microphone sound processing module, a digital-to-analog conversion module, a sound mixing processing module, an audio output module and a wireless WiFi routing module, wherein the microphone input module, the analog-to-digital conversion module, the microphone sound processing module and the digital-to-analog conversion module are in sequential connection; the digital-to-analog conversion module and the processor CPU module are both connected with the sound mixing processing module; the wireless WiFi routing module receives an audio-video data signal pushed by a WiFi device and transmits the audio-video data signal to the processor CPU module; the processor CPU module decodes and converts the audio-video data signal into an HDMI signal and an analog audio signal and respectively outputs the HDMI signal and the analog audio signal to a monitor and a sound mixing processing module; and audio signals of a singer are subjected to noise reduction and magnification treatment, the processed audio signals are output to the sound mixing processing module, the sound mixing processing module performs sound mixing treatment on the received signals, and the processed signals are then output to a player through the audio output module.
Description
Technical field
The present invention relates to a kind of by WIFI as audio transmission mode, with microphone and music audio effect processing, realize the device of multi-functional Karaoke.
Background technology
Along with the raising of people's living standard, Karaoke has become one of principal mode of people's recreation.Existing Karaoke machine is all provided with player, reverberator, loudspeaker and display screen etc., volume is large, quality weight, take up room large, people can not install a system so taken up space at home for this reason, and go karaoke halls to sing and also have all inconvenience, karaoke effect can not be enjoyed quickly and easily whenever and wherever possible.And existing Karaoke need configure special song storehouse, invest high, and the value volume and range of product of song that song storehouse is included is limited, and can not real-time update, in addition, along with smart machine, the particularly technology of smart mobile phone and the development of application software, the audio frequency of Karaoke, video source can be easy to obtain, the function of software also very powerful, but because the limitation of hardware, mobile phone cannot realize hardware based specialty Karaoke audio effect processing, and the audio effect processing mode of cell phone software also cannot realize the karaoke effect of specialty.Therefore, be necessary that providing a kind of utilizes the application software of the equipment such as smart mobile phone and abundant content of multimedia, just can realize professional Karaoke at home, the Caraok device of low cost, and can enjoy Karaoke whenever and wherever possible.
The present invention is to solve above-mentioned deficiency, the application software function powerful based on equipment such as existing smart mobile phones and abundant content of multimedia, it can be used as WIFI device of the present invention, it installs DLNA client software, IEEE802.11b/g/n wireless transmission protocol is adopted between wireless WIFI routing module and WIFI device, based on the DLNA client software on WIFI device, for Caraok device provides a kind of wireless audio and video transmission mode, Caraok device is with microphone and music audio effect processing, realize the device of multi-functional Karaoke, realize hardware based specialty Karaoke audio effect processing, the Karaoke reaching specialty is experienced.
Summary of the invention
The present invention realizes like this, a kind of Caraok device based on the access of WIFI audio frequency and video, comprise power module, processor CPU module, microphone load module, analog-to-digital conversion module, microphone audio effect processing module, D/A converter module, stereo process module, dio Output Modules, HDMI output interface and the storer be connected with processor CPU module, key-press module and USB interface, each module is connected with power module and is powered by it, microphone audio effect processing module is connected with processor CPU module, it is characterized in that: also comprise wireless WIFI routing module and push for receiving WIFI device the audio, video data signal of coming, described wireless WIFI routing module be connected with processor CPU module be used for output sound video data signal be transferred to processor CPU module, the output terminal of processor CPU module is connected with the first input end of HDMI output interface and stereo process module respectively, audio, video data signal is converted to HDMI signal and simulated audio signal after processor CPU module decoding process, wherein HDMI signal outputs to monitor by HDMI output interface, analogue audio frequency is input to the first input end of stereo process module, the input end of microphone load module is for receiving the sound signal of chanteur, and its output terminal is connected with the input end of analog to digital converter, and the output terminal of described analog to digital converter is connected with the input end of microphone audio effect processing module, microphone audio effect processing module is used for carrying out noise reduction to the sound signal of chanteur and amplifying process, and the output terminal of microphone audio effect processing module is connected with the input end of D/A converter module, the output terminal of D/A converter module is connected with the second input end of stereo process module, described stereo process module carries out stereo process to the music audio signal of input and microphone sound signal, and the output terminal of stereo process module is connected the sound signal after being used for output processing and plays with dio Output Modules.
In order to better technique effect, the technical characterstic of the Caraok device based on the access of WIFI audio frequency and video of the present invention can also be specially following technical characteristic:
(1) described WIFI device is the device such as smart mobile phone, panel computer, notebook with wireless WIFI network interface card.
(2) described wireless WIFI routing module and WIFI device adopt IEEE802.11b/g/n wireless transmission protocol.
(3) client software based on DLNA agreement installed by described WIFI R-T unit
(4) described dio Output Modules is the playing devices such as an amplifier circuit for sound frequency signal module, the output interface peripheral earphone of described amplifier circuit for sound frequency signal module.
(5) described microphone audio effect processing module preserves multiple microphone audio effect processing pattern, and described key-press module comprises multiple audio mode selection button for selecting audio effect processing pattern.
Further, DLNA client software installed by described WIFI R-T unit.
The Caraok device of technical solution of the present invention is adopted to have the following advantages:
1. WIFI device is the device such as smart mobile phone, panel computer, notebook with wireless WIFI network interface card, and these devices are all the equipment often used in people's daily life, and based on internet, the content of multimedia such as song are easy to obtain.Compared with existing Caraok device, without the need to being equipped with special song storehouse, the investment to audio and video resources greatly can be reduced like this.
2. and the source of audio and video resources can be expanded, be not limited to special song storehouse kind and number quantitative limitation.
3. device structure is simple, and parts are few, low cost of manufacture.Volume is little, quality is light, is easy to carry, low to environmental requirement, can realize Karaoke whenever and wherever possible, quickly and easily and play.
4. on smart mobile phone and panel computer, DLNA client software is installed, user can use this application software, perform push operation, the audio-video document that smart mobile phone and panel computer store or its online audio/video pushing obtained are play to this device, realizes the real-time radio transmission of high resolution audio and video; This device by wireless WIFI routing module, receives audio, video data signal, to be decoded process, be converted into HDMI signal and simulated audio signal by processor CPU, realize on WIFI device or by the real-time broadcasting of its audio frequency and video obtained.
5. realize hardware based specialty Karaoke audio effect processing, the music effect of shock is provided.
6. can be widely used in the entertainment lifes such as home entertaining, friend's party, entertainment for children.
accompanying drawing illustrates:
Accompanying drawing 1 is the physical connection schematic diagram of the Caraok device based on the access of WIFI audio frequency and video of the present invention
Accompanying drawing 2 is the circuit diagram of an embodiment of the Caraok device based on the access of WIFI audio frequency and video of the present invention
In Fig. 1-2, 1 is processor CPU module, 2 is USB interface, 5 is wireless WIFI routing module, 6 is HDMI output interface, 7 is microphone load module, 8 is analog-to-digital conversion module, 9 is microphone audio effect processing module, 10 is D/A converter module, 11 is stereo process module, 12 is dio Output Modules, 13 is WIFI device, 14 is the output interface of dio Output Modules, 15 is mould key-press module, 16 is storer, 701 is the input end of microphone load module 7, 702 is the output terminal of microphone load module 7, 801 is the input end of analog to digital converter 8, 802 is the output terminal of analog to digital converter, 901 is the input end of microphone audio effect processing module 9, 902 is the output terminal of microphone audio effect processing module 9, 1001 is the input end of D/A converter module 10, 1002 is the output terminal of D/A converter module 10, 1101 is the first input end of stereo process module 11, 1102 is the second input end of stereo process module 11, 1103 is the output terminal of stereo process module.
embodiment:
As shown in fig. 1, the signal that a kind of Caraok device based on the access of WIFI audio frequency and video described in technical solution of the present invention can receive WIFI device and microphone is play, the HDMI signal play exports monitor to, and sound signal exports the sound signal such as audio amplifier or earphone playing device to.
As shown in Figure 2, a kind of Caraok device based on the access of WIFI audio frequency and video described in technical solution of the present invention comprises power module, processor CPU module 1, microphone load module 7, analog-to-digital conversion module 8, microphone audio effect processing module 9, D/A converter module 10, stereo process module 11, dio Output Modules 12, HDMI output interface 6 and the storer 16 be connected with processor CPU module, key-press module 15 and USB interface 2, each module is connected with power module and is powered by it, microphone audio effect processing module 9 is connected with processor CPU module 1, it is characterized in that: also comprise wireless WIFI routing module 5 and push for receiving WIFI device the audio, video data signal of coming, described wireless WIFI routing module 5 be connected with processor CPU module 1 be used for output sound video data signal be transferred to processor CPU module 1, the output terminal of processor CPU module 1 is connected with the first input end 1101 of HDMI output interface 6 and stereo process module 11 respectively, audio, video data signal is converted to HDMI signal and simulated audio signal after processor CPU module 1 decodes process, wherein HDMI signal outputs to monitor by HDMI output interface 6, analogue audio frequency is input to the first input end 1101 of stereo process module, the input end 701 of microphone load module 7 is for receiving the sound signal of chanteur, and its output terminal 702 is connected with the input end 801 of analog to digital converter 8, and the output terminal 802 of described analog to digital converter is connected with the input end 901 of microphone audio effect processing module 9, microphone audio effect processing module 9 is for carrying out noise reduction and amplifying process to the sound signal of chanteur, the output terminal 902 of microphone audio effect processing module is connected with the input end 1001 of D/A converter module 10, the output terminal 1002 of D/A converter module is connected with the second input end 1002 of stereo process module 11, described stereo process module carries out stereo process to the music audio signal of input and microphone sound signal, and the output terminal 1003 of stereo process module is connected the sound signal after being used for output processing and plays with dio Output Modules 12.Wherein,
(1) in the present embodiment, dio Output Modules 12 is amplifier circuit for sound frequency signal modules, and its its output terminal of output interface 14 is connected with earpiece holes 16, also can the device such as external speaker, power amplifier in order to play Karaoke sound signal.
(2) described WIFI device is the device with the mobile phone, panel computer, notebook etc. of WIFI transceiver module with WIFI transmission-receiving function, can install conventional DLNA client software thereon, DLNA selects Ethernet(IEEE803.3u) and WLAN (802.11 a/b/g) agreement as basic design guidance.Wireless WIFI routing module and WIFI device adopt IEEE802.11b/g/n wireless transmission protocol, WIFI device and this device is made to realize network interconnection, based on DLNA client software, user can use this application software, perform push operation, the content of multimedia such as the online audio frequency and video on WIFI device and local audio frequency and video are pushed to this device play, this device is by wireless WIFI routing module, receive audio, video data signal, decoded by processor CPU1 and process, the audio, video data signal received is converted into HDMI signal and simulated audio signal, realize to WIFI device stores or the real-time broadcasting of audio frequency and video that obtained by it, realize the real-time radio transmission of high resolution audio and video.
(3) described microphone audio effect processing module preserves multiple microphone audio effect processing pattern, and described key-press module 15 comprises multiple audio mode selection button for selecting audio effect processing pattern.
Utilize the Caraok device based on the access of WIFI audio frequency and video provided by the invention to carry out playing Karaoka or audio and video playing time, can sequentially carry out according to the following steps:
Step one: install DLNA client software on smart mobile phone and panel computer, user can use this application software, perform push operation, audio-video document on smart mobile phone and panel computer is pushed out, this device is by wireless WIFI routing module, receive audio, video data signal, by decoding process, be converted into HDMI signal and simulated audio signal.
Step 2: the audio-frequency information of microphone input user, carries out the process such as noise reduction and amplification by microphone audio effect processing module to the audio-frequency information of user.
Step 3: the background music of the audio-frequency information and Karaoke that microphone are inputted user by stereo process module integrates stereo process, the audio-frequency information that now sound signal has a microphone input user draws the background music information of OK, and sound signal exports by audio output interface and headset output interface simultaneously.
Step 4: HDMI outputs on large-size screen monitors monitor, the video image of display MTV.
Step 5: audio output interface 14 external speaker or earphone, the Karaoke sound after playback process.
Adopt the Caraok device based on the access of WIFI audio frequency and video of the present invention, the fields such as family, out-of-home entertainment, education can be applied to.
Finally it should be noted that, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and do not depart from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (6)
1. the Caraok device based on the access of WIFI audio frequency and video, comprise power module, processor CPU module (1), microphone load module (7), analog-to-digital conversion module (8), microphone audio effect processing module (9), D/A converter module (10), stereo process module (11), dio Output Modules (12), HDMI output interface (6) and the storer (16) be connected with processor CPU module, key-press module (15) and USB interface (2), each module is connected with power module and is powered by it, microphone audio effect processing module (9) is connected with processor CPU module (1), it is characterized in that: also comprise wireless WIFI routing module (5) and push for receiving WIFI device the audio, video data signal of coming, described wireless WIFI routing module (5) be connected with processor CPU module (1) be used for output sound video data signal be transferred to processor CPU module (1), the output terminal of processor CPU module (1) is connected with the first input end (1101) of HDMI output interface (6) and stereo process module (11) respectively, audio, video data signal is converted to HDMI signal and simulated audio signal after processor CPU module (1) decoding process, wherein HDMI signal outputs to monitor by HDMI output interface (6), analogue audio frequency is input to the first input end (1101) of stereo process module, the input end (701) of microphone load module (7) is for receiving the sound signal of chanteur, its output terminal (702) is connected with the input end (801) of analog to digital converter (8), and the output terminal (802) of described analog to digital converter is connected with the input end (901) of microphone audio effect processing module (9), microphone audio effect processing module (9) is for carrying out noise reduction and amplifying process to the sound signal of chanteur, the output terminal (902) of microphone audio effect processing module is connected with the input end (1001) of D/A converter module (10), the output terminal (1002) of D/A converter module is connected with second input end (1002) of stereo process module (11), described stereo process module carries out stereo process to the music audio signal of input and microphone sound signal, and the output terminal (1003) of stereo process module is connected the sound signal after being used for output processing and plays with dio Output Modules (12).
2. as claimed in claim 1 based on the Caraok device of WIFI audio frequency and video access, it is characterized in that: described dio Output Modules (12) is an amplifier circuit for sound frequency signal module, output interface (14) the external audio frequency signal playing device of amplifier circuit for sound frequency signal module.
3. as claimed in claim 1 based on the portable karaoke device of WIFI audio frequency and video access, it is characterized in that: described WIFI device is one of the device such as smart mobile phone, panel computer, notebook with wireless WIFI network interface card.
4. as claimed in claim 1 based on the Caraok device of WIFI audio frequency and video access, it is characterized in that: described microphone audio effect processing module preserves multiple microphone audio effect processing pattern, and described key-press module (15) comprises multiple audio mode selection button for selecting audio effect processing pattern.
5., as claimed in claim 1 based on the Caraok device of WIFI audio frequency and video access, it is characterized in that: between wireless WIFI routing module and WIFI device, adopt IEEE802.11b/g/n wireless transmission protocol.
6., as claimed in claim 1 based on the portable karaoke device of WIFI audio frequency and video access, it is characterized in that: described WIFI device installs DLNA client software.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410004383.XA CN104766598A (en) | 2014-01-06 | 2014-01-06 | Karaoke device based on WiFi audio-video access |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410004383.XA CN104766598A (en) | 2014-01-06 | 2014-01-06 | Karaoke device based on WiFi audio-video access |
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| CN104766598A true CN104766598A (en) | 2015-07-08 |
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| CN201410004383.XA Pending CN104766598A (en) | 2014-01-06 | 2014-01-06 | Karaoke device based on WiFi audio-video access |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106210943A (en) * | 2016-07-25 | 2016-12-07 | 北京塞宾科技有限公司 | A kind of wireless K sings microphone |
| WO2017084484A1 (en) * | 2015-11-16 | 2017-05-26 | 惠州市金能量科技有限公司 | Portable outdoor audio/video-on-demand device |
| CN107820035A (en) * | 2017-03-23 | 2018-03-20 | 北京君林科技股份有限公司 | The merging method and HDMI connector of a kind of external audio signal and HDMI signals |
-
2014
- 2014-01-06 CN CN201410004383.XA patent/CN104766598A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017084484A1 (en) * | 2015-11-16 | 2017-05-26 | 惠州市金能量科技有限公司 | Portable outdoor audio/video-on-demand device |
| CN106210943A (en) * | 2016-07-25 | 2016-12-07 | 北京塞宾科技有限公司 | A kind of wireless K sings microphone |
| CN107820035A (en) * | 2017-03-23 | 2018-03-20 | 北京君林科技股份有限公司 | The merging method and HDMI connector of a kind of external audio signal and HDMI signals |
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Application publication date: 20150708 |